<?php
class core_Docs extends Engine_Core
{
	/**
	 * @var core_Docs
	 */
	protected static $_instance;

	/**
	 * @var core_Docs_Adapter
	 */
	protected $_adapter;

	/**
	 * @return core_Docs_Adapter
	 */
	protected function getAdapter()
	{
		return parent::getAdapter();
	}

	/**
	 * @static
	 * @return core_Docs
	 */
	public static function getInstance()
	{
		if (empty(self::$_instance)){
			self::$_instance = new self;
		}

		return self::$_instance;
	}
}